1376151879025 has 135 divisors (see below), whose sum is σ = 2191429397745. Its totient is φ = 854763940800.

The previous prime is 1376151879017. The next prime is 1376151879041. The reversal of 1376151879025 is 5209781516731.

The square root of 1376151879025 is 1173095.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 315350756721 + 1060801122304 = 561561^2 + 1029952^2 .

It is not a de Polignac number, because 1376151879025 - 2³ = 1376151879017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 4968057187 + ... + 4968057463.

Almost surely, 2^{1376151879025} is an apocalyptic number.

1376151879025 is the 1173095-th square number.

1376151879025 is the 586548-th centered octagonal number.

It is an amenable number.

1376151879025 is a deficient number, since it is larger than the sum of its proper divisors (815277518720).

1376151879025 is an frugal number, since it uses more digits than its factorization.

1376151879025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 1376151879025 in words is "one trillion, three hundred seventy-six billion, one hundred fifty-one million, eight hundred seventy-nine thousand, twenty-five".